By LEIDITECH | 25 September 2024 | 0 Comments
Static surge protection for civilian intelligent three meters
The civilian three meters mainly refer to the household items used by us ordinary people：Electricity meter，Gas meter，water meter，These three watches come in both mechanical and intelligent versions，But now most of the three watches have been upgraded to intelligent ones。For the three typessmart meter Why add electrostatic surge protection，Add where，What components are recommended，Below, engineers from Shanghai Lei Mao will explain one by one。If you are a third watchcircuit designengineer，We can discuss learning together。
一、 Why do smart three meters need static surge protection
Intelligent three meters（water、electric、Gas meter）There are several main reasons why static surge protection is needed：、
1. Ensure measurement accuracy：Static surge may interfere with the electronic components of smart three meters，Causing measurement deviation。With protective measures in place, the accuracy of measurements can be maintained，Ensure that the interests of users and suppliers are not harmed。
2. Extend the service life of equipment： Static surges can cause physical damage to sensitive electronic components inside smart meters，Reduce the service life of equipment。Protective devices can reduce the impact on components，Extending the service life of equipment can reduce replacement costs and maintenance frequency。
3. Improve system reliability：Intelligent three meters are usually part of remote meter reading and automated management systems，Its reliability is crucial for the normal operation of the entire system。Static surge protection can reduce the probability of equipment failure，Improve system stability and reliability。
4. Adapt to complex environments：Smart three meters may be installed in various environments，As indoor、outdoor、Industrial sites, etc，Easy to be affected by electrostatic discharge and surge。Protective measures can make smart three meters adapt to different environmental conditions，Improve its universality and applicability。
How to do well in electrostatic surge protection for intelligent three meters ，Below are the following introductions，Present with a block diagram。
two、Intelligent Three Meter Static Surge Protection Block Diagram
1. smart meter
Smart meters are one of the key components of modern power grids，Can automatically record electricity consumption and remotely transmit data to the power supply company，Support real-time monitoring of electricity usage，Capable of bidirectional communication，Acceptable electricity price information，Assist users in managing energy consumption，Promote energy conservation and emission reduction，Simultaneously improving the quality and efficiency of power services。
The above figure is the block diagram of the smart meter system，For areas that require electrostatic surge protection during design, measures have been takenTVSandESDlabel。
2. Intelligent gas meter
Smart gas meters are an important component of modern urban infrastructure，Can automatically record gas usage and remotely transmit data，Support real-time monitoring and bidirectional communication，Users can query usage through smart devices，Convenient for cost management and leak detection，Improve gas safety and service efficiency。
The above figure is the schematic diagram of the ultrasonic gas meter system，For areas that require electrostatic surge protection during design, measures have been takenTVSandESDlabel。3. Intelligent water meter
The above figure is the schematic diagram of the ultrasonic water meter system，For areas that require electrostatic surge protection during design, measures have been takenTVSandESDlabel。
three、What electrostatic protection components are recommended for smart three meters
1. Interface protection devices included in intelligent three meters
Shanghai Leimao addresses the three tables mentioned aboveUSB、RS232，485、Wireless network、The sensor interface provides a typical protection case，The comprehensive list is as follows，Can be directly applied to practical scenarios。
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品牌 |
型号 |
描述 |
电流 |
封装 |
应用 |
|
leiditech雷卯 |
ULC0524P |
5V,4路单向，0.3PF |
5A |
DFN2510P10 |
适用于 USB和高速接口静电防护 |
|
leiditech雷卯 |
ESDA05CP30 |
5V,1路双向，15PF |
8A
Security Monitoring Static Surge Protection Scheme
[Original plan] Fast charging mobile phonevbusProtection case—SMD12CA SMD15CA SMD24CA
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